of the arab spring? that's tonight on the "cbs evening news." ,, ,,,, ♪ secondhand smoke affects everyone's health. it's not just irritating. it can cause heart disease and even death. speak up about secondhand smoke. your health and the health of your family depend on it. with breast cancer will undo a mastectomy. now a new experimental device -- maden the bay area - is helping te women with the next step >>> many women with breast cancer will undergo a mastectomy. now a new experimental device made here in the bay area is helping these women with the next step in their lives. dr. kim mulvihill shows us how it works. >>> reporter: linda is married and a mother of three. about a year ago, doctors discovered precancerous cells in one of her breasts. she made a choice. >> decided to go ahead and do a double mastectomy. i didn't want to have to in five years be looking at something from a very scary position. >> reporter: linda knew she wanted breast reconstruction surgery meaning implants. >> i turned to my husband and said, well, do you want these or these? what are we doing? >> reporter: